these harmonics

  • 91Overtone singing — Overtone singing, also known as overtone chanting, or harmonic singing, is a type of singing in which the singer manipulates the resonances (or formants) created as air travels from the lungs, past the vocal folds, and out the lips to produce a… …

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  • 92Power chord — Component intervals from root perfect fifth root …

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  • 93Piano acoustics — are those physical properties of the piano which affect its acoustics.tring length and thicknessThe strings of a piano vary in thickness, with bass strings thicker than treble. A typical range is from 1/30 inch for the highest treble strings to… …

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  • 94Static inverter plant — A static inverter station, also known as an HVDC Converter Station, is the terminal equipment for a high voltage direct current transmission line, in which direct current is converted to three phase alternating current, and, usually, the reverse …

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  • 95Transcranial doppler — (TCD) is a test that measures the velocity of blood flow through the brain s blood vessels. Used to help in the diagnosis of emboli, stenosis, vasospasm from a subarachnoid hemorrhage (bleeding from a ruptured aneurysm), and other problems, this… …

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  • 96Basic physics of the violin — The distinctive sound of a violin is the result of interactions between its many parts. Drawing a bow across the strings causes them to vibrate. This vibration is transmitted through the bridge and sound post to the body of the violin (mainly the …

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  • 97Reassignment method — The method of reassignment is a technique forsharpening a time frequency representation by mappingthe data to time frequency coordinates that are nearer tothe true region of support of theanalyzed signal. The method has been… …

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  • 98Whipple formulae — In the theory of special functions, Whipple s transformation for Legendre functions, named after Francis John Welsh Whipple, arise from a general expression, concerning associated Legendre functions. These formulae have been presented previously… …

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  • 99Noise, vibration, and harshness — (NVH), also known as noise and vibration (N V), is the study and modification of the noise and vibration characteristics of vehicles, particularly cars and trucks. While noise and vibration can be readily measured, Harshness is a subjective… …

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  • 100Types of Tuvan throat singing — Tuvan throat singing is one particular variant of throat singing practiced by the Tuva people of southern Siberia.The art of Tuvan throat singing is a style in which two or more pitches sound simultaneously over a fundamental pitch, producing a… …

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